| Castricum to Corinth (Mississippi) | 4,471.47 mi (7,196.14 km) |
| Castricum to Corinth (Texas) | 4,884.98 mi (7,861.61 km) |
| Castricum to Cornelius (North Carolina) | 4,149.53 mi (6,678.02 km) |
| Castricum to Cornelius (Oregon) | 4,988.22 mi (8,027.77 km) |
| Castricum to Corning (New York) | 3,682.66 mi (5,926.67 km) |
| Castricum to Corona (California) | 5,529.90 mi (8,899.52 km) |
| Castricum to Coronado (California) | 5,588.17 mi (8,993.30 km) |
| Castricum to Corpus Christi (Texas) | 5,189.31 mi (8,351.39 km) |
| Castricum to Corsicana (Texas) | 4,919.80 mi (7,917.65 km) |
| Castricum to Cortland (New York) | 3,628.31 mi (5,839.19 km) |
| Castricum to Corvallis (Oregon) | 5,050.46 mi (8,127.93 km) |
| Castricum to Coshocton (Ohio) | 3,954.15 mi (6,363.59 km) |
| Castricum to Costa Mesa (California) | 5,551.83 mi (8,934.81 km) |
| Castricum to Coto de Caza (California) | 5,546.19 mi (8,925.74 km) |
| Castricum to Cottage Grove (Minnesota) | 4,133.92 mi (6,652.91 km) |
